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Cellavision AB Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Monday, August 24th, 2026

1 Day

4,973.26

decreased by 387.19

1 Week

4,895.80

decreased by 464.65

1 Month

5,524.94

increased by 164.49

Analysis last updated: Sunday, August 23, 2026 at 01:40 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Cellavision AB ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 28, 2007 to Aug 21, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 32% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
2.52**
α

ARCH

Response to squared shocks

0.0697
18.75***
β

GARCH

Volatility persistence

0.9193
442.82***
γ

leverage

Additional response to negative shocks

0.0220
3.42***

Persistence:

1.000

Half-life:

1386294 days